interface Run {
  run(distance: number): void;
}

interface Eat {
  eat(food: string): void;
}

class Person implements Eat, Run {
  eat(food: string): void {
    console.log(`优雅的进餐：${food}`);
  }
  run(distance: number): void {
    console.log(`直立行走:${distance}`);
  }
}

class Aniaml implements Eat, Run {
  eat(food: string): void {
    console.log(`呼噜呼噜的吃：${food}`);
  }
  run(distance: number): void {
    console.log(`爬行:${distance}`);
  }
}

export {};
